Adding stripe integration

src/core/migrations/0011_product_stripe_price_id_subscription.py

@@ -0,0 +1,29 @@
+# Generated by Django 4.0.2 on 2022-08-07 19:40
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('core', '0010_product_stripe_id'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='stripe_price_id',
+            field=models.CharField(blank=True, max_length=255),
+        ),
+        migrations.CreateModel(
+            name='Subscription',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('stripe_id', models.CharField(blank=True, max_length=255)),
+                ('customer', models.OneToOneField(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='subscription', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

src/core/models.py

@@ -53,6 +53,7 @@ class Product(models.Model):
         blank=True,
         null=True,
     )
+    stripe_price_id = models.CharField(max_length=255, blank=True)
     weight = MeasurementField(
         measurement=Weight,
         unit_choices=WeightUnits.CHOICES,

src/core/signals.py

@@ -22,12 +22,28 @@ def product_saved(sender, instance, created, **kwargs):
     logger.info('Product was saved')
     if created or not instance.stripe_id:
         stripe.api_key = settings.STRIPE_API_KEY
-        response = stripe.Product.create(
+        prod_response = stripe.Product.create(
             name=instance.name,
             description=instance.description
         )
-        instance.stripe_id = response['id']
+        price_response = stripe.Price.create(
+            unit_amount=int(instance.price * 100),
+            currency=settings.DEFAULT_CURRENCY,
+            product=prod_response['id']
+        )
+        instance.stripe_id = prod_response['id']
+        instance.stripe_price_id = price_response['id']
         instance.save()
+    else:
+        stripe.Product.modify(
+            instance.stripe_id,
+            name=instance.name,
+            description=instance.description
+        )
+        stripe.Price.modify(
+            instance.stripe_price_id,
+            unit_amount=int(instance.price * 100)
+        )
 
 
 @receiver(post_save, sender=Order, dispatch_uid="order_created")